1940677593 has 16 divisors (see below), whose sum is σ = 2763148800. Its totient is φ = 1208874240.

The previous prime is 1940677573. The next prime is 1940677667. The reversal of 1940677593 is 3957760491.

It is not a de Polignac number, because 1940677593 - 2²⁶ = 1873568729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1940677513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357088 + ... + 362481.

It is an arithmetic number, because the mean of its divisors is an integer number (172696800).

Almost surely, 2^1940677593 is an apocalyptic number.

It is an amenable number.

1940677593 is a deficient number, since it is larger than the sum of its proper divisors (822471207).

1940677593 is a wasteful number, since it uses less digits than its factorization.

1940677593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719632.

The product of its (nonzero) digits is 1428840, while the sum is 51.

The square root of 1940677593 is about 44053.1223978505. The cubic root of 1940677593 is about 1247.3388919969.

The spelling of 1940677593 in words is "one billion, nine hundred forty million, six hundred seventy-seven thousand, five hundred ninety-three".